BE657664A - - Google Patents

Info

Publication number
BE657664A
BE657664A BE657664DA BE657664A BE 657664 A BE657664 A BE 657664A BE 657664D A BE657664D A BE 657664DA BE 657664 A BE657664 A BE 657664A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE657664A publication Critical patent/BE657664A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L17/00—Switching systems for classification yards
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003—Modifications for increasing the reliability for protection
    • H03K19/00307—Modifications for increasing the reliability for protection in bipolar transistor circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
  • Amplifiers (AREA)
  • Safety Devices In Control Systems (AREA)
BE657664D 1964-01-08 1964-12-28 BE657664A ( )

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR959624A FR1391823A (fr) 1964-01-08 1964-01-08 Circuit logique de sécurité du type et
FR963433A FR85339E (fr) 1964-01-08 1964-02-12 Circuit logique de sécurité du type et

Publications (1)

Publication Number Publication Date
BE657664A true BE657664A ( ) 1965-04-16

Family

ID=26205257

Family Applications (1)

Application Number Title Priority Date Filing Date
BE657664D BE657664A ( ) 1964-01-08 1964-12-28

Country Status (9)

Country Link
US (1) US3421018A ( )
BE (1) BE657664A ( )
CH (1) CH423878A ( )
DE (1) DE1265786B ( )
ES (1) ES307886A1 ( )
FR (2) FR1391823A ( )
GB (1) GB1099001A ( )
NL (1) NL6500180A ( )
SE (1) SE313838B ( )

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290585B (de) * 1965-09-14 1969-03-13 Siemens Ag Fehlergeschuetzte Gatterschaltung aus einer Mehrzahl von kettenfoermig hintereinandergeschalteten Transistorverstaerkerstufen
US3558905A (en) * 1967-05-02 1971-01-26 Kokusai Denshin Denwa Co Ltd Fail-safe logical system
US3512010A (en) * 1967-09-25 1970-05-12 Sybron Corp Switching circuit with hysteresis
US3600604A (en) * 1968-12-03 1971-08-17 Westinghouse Electric Corp Failsafe logic gates
US3577006A (en) * 1969-03-10 1971-05-04 Collins Radio Co Fail-safe pulsed logic and gate
US3585377A (en) * 1969-06-16 1971-06-15 Ibm Fail-safe decoder circuits
US3673429A (en) * 1970-10-19 1972-06-27 Westinghouse Electric Corp Pseudo-and gate having failsafe qualities
DE2555436C2 (de) * 1975-12-10 1982-09-30 Brown, Boveri & Cie Ag, 6800 Mannheim Abfallverzögertes Zeitwerk für ein gepulstes System
FR2510845A1 (fr) * 1981-07-31 1983-02-04 Omera Segid Circuits logiques de securite utilisables notamment en signalisation ferroviaire et boite de traitement electronique, ou automatisme incorporant au moins un de ces circuits
US4795921A (en) * 1984-04-23 1989-01-03 The Nippon Signal Co., Ltd. Logic operation-oscillation circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847224A (en) * 1956-09-19 1960-09-07 Nat Res Dev Improvements in or relating to electrical decision element circuits
BE639553A ( ) * 1962-11-05
US3314013A (en) * 1963-06-06 1967-04-11 Ibm Variable delay pulse generating apparatus

Also Published As

Publication number Publication date
DE1265786B (de) 1968-04-11
NL6500180A ( ) 1965-07-09
SE313838B ( ) 1969-08-25
CH423878A (fr) 1966-11-15
ES307886A1 (es) 1965-05-01
FR85339E (fr) 1965-07-23
GB1099001A (en) 1968-01-10
US3421018A (en) 1969-01-07
FR1391823A (fr) 1965-03-12

Similar Documents

Publication Publication Date Title
BE642508A ( )
BE642458A ( )
BE660985A ( )
BE584699A ( )
BE660711A ( )
BE660456A ( )
BE660154A ( )
NL6500180A ( )
BE659310A ( )
BE659021A ( )
BE658691A ( )
BE657744A ( )
BE564626A ( )
BE656455A ( )
BE655788A ( )
BE655305A ( )
BE649215A ( )
BE642974A ( )
BE642797A ( )
BE642770A ( )
BE642741A ( )
BE642735A ( )
BE642654A ( )
BE642652A ( )
BE642589A ( )